Well fb is fast for me, so is cloudflare, airbnb, Codecademy, Coursera, Docker, Dropbox, IGN, IMDB, Imgur, Instagram, Khan Academy, Netflix, okcupid, and a whol

Well fb is fast for me, so is cloudflare, airbnb, Codecademy, Coursera, Docker, Dropbox, IGN, IMDB, Imgur, Instagram, Khan Academy, Netflix, okcupid, and a whole bunch of other websites that use react. Plus I like being employed so knowing frameworks and libraries is a must.